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Cheap flights from Portland to London from $281

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to London departing on 8/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Find the cheapest flights from Portland to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:10 am - 9:40 pm
PDX
-
STN
27h 30m
3 stops
Multiple Airlines Logo
8:00 pm - 7:10 pm
STN
-
PDX
31h 10m
3 stops
$800Multiple Airlines
Wed, May 27 - Sun, May 31
Multiple Airlines Logo
3:30 pm - 12:30 am
PDX
-
STN
25h 00m
2 stops
Multiple Airlines Logo
6:05 am - 1:50 pm
STN
-
PDX
39h 45m
3 stops
$840Multiple Airlines
Thu, May 28 - Thu, Jun 4
Multiple Airlines Logo
3:30 pm - 10:55 pm
PDX
-
STN
23h 25m
2 stops
Multiple Airlines Logo
6:05 am - 1:50 pm
STN
-
PDX
39h 45m
3 stops
$841Multiple Airlines
Thu, May 28 - Thu, Jun 4
Multiple Airlines Logo
7:05 pm - 12:50 am
PDX
-
STN
21h 45m
2 stops
Multiple Airlines Logo
10:00 pm - 1:50 pm
STN
-
PDX
47h 50m
3 stops
$852Multiple Airlines
Fri, May 22 - Tue, Jun 16
Multiple Airlines Logo
3:30 pm - 12:30 am
PDX
-
STN
25h 00m
2 stops
Multiple Airlines Logo
6:05 am - 1:50 pm
STN
-
PDX
39h 45m
3 stops
$857Multiple Airlines
Thu, May 28 - Thu, Jun 4
Multiple Airlines Logo
3:30 pm - 12:30 am
PDX
-
STN
25h 00m
2 stops
Multiple Airlines Logo
6:30 am - 1:50 pm
STN
-
PDX
39h 20m
3 stops
$866Multiple Airlines
Thu, May 28 - Thu, Jun 11
Multiple Airlines Logo
3:30 pm - 12:10 am
PDX
-
STN
24h 40m
2 stops
Multiple Airlines Logo
9:55 pm - 1:50 pm
STN
-
PDX
47h 55m
3 stops
$879Multiple Airlines
Tue, May 26 - Tue, Jun 2
Multiple Airlines Logo
3:30 pm - 12:10 am
PDX
-
STN
24h 40m
2 stops
Multiple Airlines Logo
6:30 am - 1:50 pm
STN
-
PDX
39h 20m
3 stops
$886Multiple Airlines
Tue, Jun 2 - Mon, Jun 8
Multiple Airlines Logo
3:30 pm - 7:35 pm
PDX
-
STN
20h 05m
3 stops
Multiple Airlines Logo
6:30 am - 7:10 pm
STN
-
PDX
20h 40m
3 stops
$922Multiple Airlines
Tue, May 26 - Tue, Jun 2
Multiple Airlines Logo
3:30 pm - 10:55 pm
PDX
-
STN
23h 25m
2 stops
Multiple Airlines Logo
6:30 am - 5:55 pm
STN
-
PDX
19h 25m
2 stops
$926Multiple Airlines
Thu, Jun 4 - Wed, Jun 17

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Turkish Airlines flights from Portland to London Stansted Airport

Our best Turkish Airlines deals on Portland to London Stansted Airport flight tickets
Turkish Airlines
May 4
PDX1:37 pmPortland
24h 33m
2 stops
STN10:10 pmLondon Stansted
May 11
STN10:50 amLondon Stansted
42h 08m
2 stops
PDX8:58 pmPortland
$1,468
Turkish Airlines
May 13
PDX1:37 pmPortland
43h 03m
2 stops
STN4:40 pmLondon Stansted
May 25
STN10:50 amLondon Stansted
42h 04m
2 stops
PDX8:54 pmPortland
$1,525
Turkish Airlines
May 13
PDX1:37 pmPortland
43h 03m
2 stops
STN4:40 pmLondon Stansted
May 27
STN5:45 pmLondon Stansted
35h 09m
2 stops
PDX8:54 pmPortland
$1,526

momondo Fare Finder

 
Customize your flight search to find flights from Portland to London Stansted Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 3, 2026.
Use the filters below to find and compare flights from Portland to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandLondon

PDX - STN

PDXSTN

Portland

Wed 5/27

10:10 am-9:40 pm

3 stops27h 30m

London Stansted

Sun 5/31

8:00 pm-7:10 pm

3 stops31h 10m

$800

PortlandLondon

PDX - STN

PDXSTN

Portland

Thu 5/28

3:30 pm-12:30 am

2 stops25h 00m

London Stansted

Thu 6/4

6:05 am-1:50 pm

3 stops39h 45m

$840

PortlandLondon

PDX - STN

PDXSTN

Portland

Thu 5/28

3:30 pm-10:55 pm

2 stops23h 25m

London Stansted

Thu 6/4

6:05 am-1:50 pm

3 stops39h 45m

$841

PortlandLondon

PDX - STN

PDXSTN

Portland

Fri 5/22

7:05 pm-12:50 am

2 stops21h 45m

London Stansted

Tue 6/16

10:00 pm-1:50 pm

3 stops47h 50m

$852

PortlandLondon

PDX - STN

PDXSTN

Portland

Thu 5/28

3:30 pm-12:30 am

2 stops25h 00m

London Stansted

Thu 6/4

6:05 am-1:50 pm

3 stops39h 45m

$857

PortlandLondon

PDX - STN

PDXSTN

Portland

Thu 5/28

3:30 pm-12:30 am

2 stops25h 00m

London Stansted

Thu 6/11

6:30 am-1:50 pm

3 stops39h 20m

$866

PortlandLondon

PDX - STN

PDXSTN

Portland

Tue 5/26

3:30 pm-12:10 am

2 stops24h 40m

London Stansted

Tue 6/2

9:55 pm-1:50 pm

3 stops47h 55m

$879

PortlandLondon

PDX - STN

PDXSTN

Portland

Tue 6/2

3:30 pm-12:10 am

2 stops24h 40m

London Stansted

Mon 6/8

6:30 am-1:50 pm

3 stops39h 20m

$886
Quickest round-trip

PortlandLondon

PDX - STN

PDXSTN

Portland

Tue 5/26

3:30 pm-7:35 pm

3 stops20h 05m

London Stansted

Tue 6/2

6:30 am-7:10 pm

3 stops20h 40m

$922

PortlandLondon

PDX - STN

PDXSTN

Portland

Thu 6/4

3:30 pm-10:55 pm

2 stops23h 25m

London Stansted

Wed 6/17

6:30 am-5:55 pm

2 stops19h 25m

$926

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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When to book flights from Portland to London Stansted Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to London Stansted Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to London Stansted Airport (PDX to STN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to London Stansted Airport

Fastest flight time

15h 00m

Direct flights

None
The fastest flight from Portland to London Stansted Airport takes 15h 00m
There are no direct flights from Portland to London Stansted Airport. There are no popular flight routes from Portland to London Stansted Airport.
Search flight deals

Frequently asked questions about flying from Portland to London Stansted Airport

  • How far is Portland to London Stansted by plane?

    The straight-line distance from Portland to London Stansted is 4898.6 mi. Typically, this will take 15h 00m by plane in normal conditions.

  • When did momondo last update prices for flights from Portland Airport to London Stansted Airport?

    Prices for flights from Portland Airport to London Stansted Airport are updated daily.

  • How old do you have to be to fly from Portland Airport to London Stansted Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to London Stansted Airport.

  • What documentation or ID do you need to fly to London Stansted Airport?

    The travel and health documents required for your trip to London Stansted Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Stansted Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Portland to London Stansted Airport

  • How do I get Price Alerts for flights from Portland to London Stansted Airport?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Portland from London Stansted Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Portland to London Stansted Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Dover
Luton
Hayes
Crawley
Slough
Wembley
Stansted
Watford
Croydon
Uxbridge
Brentwood
Dartford
Cobham
Folkestone
Romford
Harrow
Guildford

Why use momondo?

Why should I use momondo to find a flight deal from Portland to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to London for you.

Can I find flights from Portland to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Portland to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Portland to London?

momondo provides multiple filters to help you find the best flight to London from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London Stansted Airport trip

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